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Bogdan [553]
3 years ago
5

A solid object with the density of 2.8 g/mL is placed in water. What will most likely happen?

Chemistry
1 answer:
den301095 [7]3 years ago
6 0

Answer:

When a solid with the density of 2.8 g/mL is placed in water, it will sink.

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(THIS QUESTION IS FROM APEX IN COURSE: Physical Science Sem 2)
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  • An electrostatic attraction between ions of opposite charge is called a/an <u>IONIC BOND</u>.

<em>(The answer is</em> IONIC BOND<em>)</em>

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4 years ago
Select the pair that has the larger atom or ion listed first.
Sedbober [7]

Answer:

Correc option: Br^- \, , Kr

Explanation:

size of atom : it says somthing about how many shell present in a particular atom or ion and it can also be evaluated on the basis of radius of atom.

Br^- and Kr has highest number of shell as compared to other group of species .

Na ,S , Mg ,P all are from 3rd period but Kr and Br^- in the 4th period so size of species of this group will more,

Size increases on increasring the shell number

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4 years ago
Which of the following is the best example of a scientific law?
il63 [147K]

Answer:

The correct answer is :'The gravitational force between two objects is related mathematically to their mass and the distance between them'.

Explanation:

A scientific law is a statement which explains physical phenomena and has been tested multiple times through the correct scientific methods and experimentation. It will give same results and observations after each conduct.

A scientific law comes into picture after the acceptance of a theory which explains or exposes the reason behind any physical phenomena occurrence.

So the best example of scientific law:

The gravitational force between two objects is related mathematically to their mass and the distance between them.

5 0
3 years ago
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What is the hydronium ion concentration of a solution whose pH is 4.12?
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A is may be the correct answer
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3 years ago
In a lava lamp, a waxy substance rises and falls repeatedly. What causes the waxy substance to rise? Check all that apply. The w
almond37 [142]

Answer:

The waxy substance is warm.

The waxy substance is less dense than the surrounding liquid.

Convection is occurring.

Explanation:

Convection involves heat transfer by the actual movement of the particles of a substance.

When the wax is heated, the waxy substance becomes warm and rises in the lamp. The warm waxy substance is less dense than the surrounding liquid, this process of rising and falling is as a result of convection occurring in the lava lamp.

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